Senna Amberheart vs Sepulcher Sentinel

Overall comparison

HERO	Fraction	Element	Type	Rarity	Aura
Senna Amberheart	Dwarves	Void	Support	Legendary	Speed 19% Place: All battles
Sepulcher Sentinel	Knight Revenant	Force	Defence	Epic	Defence 25% Place: All battles

Stats comparison

HERO	LVL	STARS	HP	ATK	DEF	SPD	C.RATE	C.DMG	RESIST	ACC
Senna Amberheart	60	6	18990	1112	1200	113	15	50	40	0
Sepulcher Sentinel	60	6	16185 -2805	903 -209	1321 +121	98 -15	15	50	45 +5	0

Skills comparison

Senna Amberheart	Amberthrust Formula: 4.3*ATK Attacks 1 enemy. Has a 50% chance to instantly activate a [Continuous Heal] buff on each ally.	Touch of Gold Formula: 0.2*MAX_STAMINA Places a 30% [Increase SPD] buff and two 15% [Continuous Heal] buffs on all allies for 2 turns. Also fills the Turn Meters of all allies by 20%. Cooldown: 5 Continuous Heal 15% Increase SPD 30%	Edge of Death Formula: 0.5TRG_HP Formula: 0.5MAX_STAMINA Revives all dead allies with 50% HP and 50% Turn Meter. Then, teams up with all allies revived by this skill to attack the enemy with the lowest HP. The allies joining the attack will use their default skills. Cooldown: 6	Healing Glow [P] Formula: 0.05*MAX_STAMINA Whenever a [Continuous Heal] buff activates on any ally, fills the Turn Meters of all allies by 5%. At the end of this Champion’s turn, increases the duration of a [Continuous Heal] buff on a random ally except this Champion for 1 turn.
Sepulcher Sentinel	Sword of Withering Formula: 3.3*DEF Attacks 1 enemy. Has a 40% chance of placing a 50% [Decrease ATK] debuff for 2 turns. Decrease ATK 50%	Sepulcher Shield Places a 60% [Increase DEF] buff and a [Block Debuffs] buff on all allies for 2 turns. Cooldown: 5 Block Debuffs Increase DEF 60%	Untouched By Death [P] Formula: -1*DMG_MUL Has a 25% chance of completely blocking incoming damage when an ally is attacked. Occurs once per turn. Will only block damage for the targeted ally if multiple allies are attacked at the same time. Cooldown: 1	-